Detailed sailboat specifications and datasheets since 2015
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Optio (Fin keel)

Main featuresOptio Fin keel
Model
Optio
Version
Fin keel
Hull type
Monohull
Category
Dayboat
Sailboat builder
Wauquiez
Sailboat designer
Country
France
Construction
GRP (glass reinforced polyester):
- Hull: Sandwich balsa E-glass vinylester (vacuum infusion)
- Deck: Sandwich balsa E-glass vinylester (vacuum infusion)
First built hull
2014
Last built hull
Still in production
Appendages
Keel : T-shaped keel (with bulb)
Helm
Single tiller
Rudder
Twin spade rudders
Unsinkable
No
Trailerable
Yes
EC design category
 iThe CE design category indicates the ability to cope with certain weather conditions (the sailboat is designed for these conditions)

A: Wind < force 9, Waves < 10m
B: Wind < force 8, Waves < 8m
C: Wind < force 6, Waves < 4m
D: Wind < force 4, Waves < 0,5m
C
Standard public price ex. VAT (indicative only)
113400 2020
 
Main dimensionsOptio Fin keel
Hull length
29’ 6”8.99 m
Waterline length
28’ 1”8.57 m
Beam (width)
8’ 4”2.54 m
Draft
7’ 2”2.2 m
Mast height from DWL
43’ 4”13.2 m
Light displacement (MLC)
4409 lb2000 kg
Ballast weight
1984 lb900 kg
Ballast type
Cast iron
 
Rig and sailsOptio Fin keel
Upwind sail area
468 ft²43.5 m²
Downwind sail area
1039 ft²96.5 m²
Mainsail area
285 ft²26.5 m²
Jib area
183 ft²17 m²
Asymmetric spinnaker area
753 ft²70 m²
Code 0 area
495 ft²46 m²
I
 iFore triangle height (from mast foot to fore stay top attachment)
34’ 11”10.65 m
J
 iFore triangle base (from mast foot to bottom of forestay)
11’ 10”3.6 m
P
 iMainsail hoist measurement (from tack to head)
35’ 11”10.95 m
E
 iMainsail foot measurement (from tack to clew)
11’ 6”3.5 m
Rigging type
Sloop Marconi (square top mainsail) 9/10
Mast configuration
Deck stepped mast
Rotating spars
No
Number of levels of spreaders
2
Spreaders angle
Swept-back
Spars construction
Aluminum spars
Standing rigging
Single-strand (ROD) discontinuous
 
PerformancesOptio Fin keel
Upwind sail area to displacement
 iThe ratio sail area to displacement is obtained by dividing the sail area by the boat's displaced volume to the power two-thirds.

The ratio sail area to displacement can be used to compare the relative sail plan of different sailboats no matter what their size.

Upwind: under 18 the ratio indicates a cruise oriented sailboat with limited performances especially in light wind, while over 25 it indicates a fast sailboat.
295 ft²/T27.4 m²/T
Downwind sail area to displacement
 iThe ratio sail area to displacement is obtained by dividing the sail area by the boat's displaced volume to the power two-thirds.

The ratio sail area to displacement can be used to compare the relative sail plan of different sailboats no matter what their size.
654 ft²/T60.79 m²/T
Displacement-length ratio (DLR)
 iThe Displacement Length Ratio (DLR) is a figure that points out the boat's weight compared to its waterline length. The DLR is obtained by dividing the boat's displacement in tons by the cube of one one-hundredth of the waterline length (in feet).
The DLR can be used to compare the relative mass of different sailboats no matter what their length:

a DLR less than 180 is indicative of a really light sailboat (race boat made for planning), while a DLR greater than 300 is indicative of a heavy cruising sailboat.
90
Ballast ratio
 iThe Ballast ratio is an indicator of stability; it is obtained by dividing the boat's displacement by the mass of the ballast. Since the stability depends also of the hull shapes and the position of the center of gravity, only the boats with similar ballast arrangements and hull shapes should be compared.

The higher the ballast ratio is, the greater is the stability.
45 %
Critical hull speed
 iAs a ship moves in the water, it creates standing waves that oppose its movement. This effect increases dramatically the resistance when the boat reaches a speed-length ratio (speed-length ratio is the ratio between the speed in knots and the square root of the waterline length in feet) of about 1.2 (corresponding to a Froude Number of 0.35) . This very sharp rise in resistance, between speed-length ratio of 1.2 to 1.5, is insurmountable for heavy sailboats and so becomes an apparent barrier. This leads to the concept of "hull speed".
The hull speed is obtained by multiplying the square root of the waterline length (in feet) by 1.34.
7.11 knots
 
Auxiliary engineOptio Fin keel
Engine(s)
1 inboard engine
Engine(s) power (min./max.)
9 HP / 14 HP
Fuel type
Diesel
Fuel tank capacity
10.6 gal40 liters
 
Accommodations and layoutOptio Fin keel
Cockpit
Open aft cockpit
Berth(s) (min./max.)
2 / 4
Head(s)
1
Freshwater tank capacity
13.2 gal50 liters
Holding tank capacity
9.2 gal35 liters
 
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